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FR2305070A1 - SYSTEM FOR THE TRANSMISSION OF SPEECH SIGNALS - Google Patents

SYSTEM FOR THE TRANSMISSION OF SPEECH SIGNALS

Info

Publication number
FR2305070A1
FR2305070A1 FR7607726A FR7607726A FR2305070A1 FR 2305070 A1 FR2305070 A1 FR 2305070A1 FR 7607726 A FR7607726 A FR 7607726A FR 7607726 A FR7607726 A FR 7607726A FR 2305070 A1 FR2305070 A1 FR 2305070A1
Authority
FR
France
Prior art keywords
transmission
speech signals
speech
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7607726A
Other languages
French (fr)
Other versions
FR2305070B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2305070A1 publication Critical patent/FR2305070A1/en
Application granted granted Critical
Publication of FR2305070B1 publication Critical patent/FR2305070B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
FR7607726A 1975-03-18 1976-03-17 SYSTEM FOR THE TRANSMISSION OF SPEECH SIGNALS Granted FR2305070A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7503176A NL7503176A (en) 1975-03-18 1975-03-18 TRANSFER SYSTEM FOR CALL SIGNALS.

Publications (2)

Publication Number Publication Date
FR2305070A1 true FR2305070A1 (en) 1976-10-15
FR2305070B1 FR2305070B1 (en) 1981-08-07

Family

ID=19823393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7607726A Granted FR2305070A1 (en) 1975-03-18 1976-03-17 SYSTEM FOR THE TRANSMISSION OF SPEECH SIGNALS

Country Status (6)

Country Link
US (1) US4034160A (en)
JP (1) JPS51117507A (en)
DE (1) DE2609297C3 (en)
FR (1) FR2305070A1 (en)
GB (1) GB1537762A (en)
NL (1) NL7503176A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070949A1 (en) * 1981-07-28 1983-02-09 International Business Machines Corporation Transmission method for voice and digital data and arrangement for carrying out said method

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249042A (en) * 1979-08-06 1981-02-03 Orban Associates, Inc. Multiband cross-coupled compressor with overshoot protection circuit
NL7908213A (en) * 1979-11-09 1981-06-01 Philips Nv SPEECH SYNTHESIS DEVICE WITH AT LEAST TWO DISTORTION CHAINS.
US4672670A (en) * 1983-07-26 1987-06-09 Advanced Micro Devices, Inc. Apparatus and methods for coding, decoding, analyzing and synthesizing a signal
US4937873A (en) * 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
US4885790A (en) * 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
US4891840A (en) * 1986-03-10 1990-01-02 American Telephone And Telegraph Company, At&T Bell Laboratories Multi-channel signal transmission
US5054072A (en) * 1987-04-02 1991-10-01 Massachusetts Institute Of Technology Coding of acoustic waveforms
JPH02144040U (en) * 1989-05-08 1990-12-06
KR100494555B1 (en) 2001-12-19 2005-06-10 한국전자통신연구원 Transmission method of wideband speech signals and apparatus
US7228795B2 (en) * 2005-08-12 2007-06-12 Contreras Luis C Laundry tie-out station
EP2360680B1 (en) * 2009-12-30 2012-12-26 Synvo GmbH Pitch period segmentation of speech signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH244727A (en) * 1944-06-01 1946-09-30 Patelhold Patentverwertung Method and device for the transmission of speech signals with frequency raising.
NL102023C (en) * 1954-10-25
NL102024C (en) * 1954-10-25
US3071652A (en) * 1959-05-08 1963-01-01 Bell Telephone Labor Inc Time domain vocoder
US3344349A (en) * 1963-10-07 1967-09-26 Bell Telephone Labor Inc Apparatus for analyzing the spectra of complex waves
US3330910A (en) * 1964-05-06 1967-07-11 Bell Telephone Labor Inc Formant analysis and speech reconstruction
FR2238412A5 (en) * 1973-07-20 1975-02-14 Trt Telecom Radio Electr

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070949A1 (en) * 1981-07-28 1983-02-09 International Business Machines Corporation Transmission method for voice and digital data and arrangement for carrying out said method

Also Published As

Publication number Publication date
US4034160A (en) 1977-07-05
NL7503176A (en) 1976-09-21
JPS51117507A (en) 1976-10-15
GB1537762A (en) 1979-01-04
JPS5726450B2 (en) 1982-06-04
FR2305070B1 (en) 1981-08-07
DE2609297B2 (en) 1980-08-28
DE2609297A1 (en) 1976-09-30
DE2609297C3 (en) 1981-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse